<!DOCTYPE html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1205983
-->
<head>
  <title>Test for Bug 1205983</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" href="/tests/SimpleTest/test.css">
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1205983">Mozilla Bug 1205983</a>
<p id="display"></p>
</div>

<div contenteditable id="de-DE" lang="de-DE" onfocus="deFocus()">German heute ist ein guter Tag</div>
<textarea id="en-US" lang="en-US" onfocus="enFocus()">Nogoodword today is a nice day</textarea>

<pre id="test">
<script class="testbody" type="text/javascript">

function getMisspelledWords(editor) {
  return editor.selectionController.getSelection(SpecialPowers.Ci.nsISelectionController.SELECTION_SPELLCHECK).toString();
}

var elem_de;
var editor_de;
var selcon_de;
var script;

var onSpellCheck =
  SpecialPowers.Cu.import("resource://gre/modules/AsyncSpellCheckTestHelper.jsm")
               .onSpellCheck;

/** Test for Bug 1205983 **/
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function() {
  script = SpecialPowers.loadChromeScript(function() {
    var dir = Components.classes["@mozilla.org/file/directory_service;1"]
                        .getService(Components.interfaces.nsIProperties)
                        .get("CurWorkD", Components.interfaces.nsIFile);
    dir.append("tests");
    dir.append("editor");
    dir.append("composer");
    dir.append("test");

    var hunspell = Components.classes["@mozilla.org/spellchecker/engine;1"]
                             .getService(Components.interfaces.mozISpellCheckingEngine);

    // Install de-DE dictionary.
    var de_DE = dir.clone();
    de_DE.append("de-DE");
    hunspell.addDirectory(de_DE);

    addMessageListener("de_DE-exists", () => de_DE.exists());
    addMessageListener("destroy", () => hunspell.removeDirectory(de_DE));
  });
  is(script.sendSyncMessage("de_DE-exists")[0][0], true,
     "true expected (de_DE directory should exist)");

  document.getElementById('de-DE').focus();
});

function deFocus() {
  elem_de = document.getElementById('de-DE');

  onSpellCheck(elem_de, function () {
    var Ci = SpecialPowers.Ci;
    var editingSession = SpecialPowers.wrap(window)
                               .QueryInterface(Ci.nsIInterfaceRequestor)
                               .getInterface(Ci.nsIWebNavigation)
                               .QueryInterface(Ci.nsIInterfaceRequestor)
                               .getInterface(Ci.nsIEditingSession);
    editor_de = editingSession.getEditorForWindow(window);
    selcon_de = editor_de.selectionController;
    var sel = selcon_de.getSelection(selcon_de.SELECTION_SPELLCHECK);

    // Check that we spelled in German, so there is only one misspelled word.
    is(sel.toString(), "German", "one misspelled word expected: German");

    // Now focus the textarea, which requires English spelling.
    document.getElementById('en-US').focus();
  });
}

function enFocus() {
  var elem_en = document.getElementById('en-US');
  var editor_en =
    SpecialPowers.wrap(elem_en)
                 .QueryInterface(SpecialPowers.Ci.nsIDOMNSEditableElement)
                 .editor;
  editor_en.setSpellcheckUserOverride(true);
  var inlineSpellChecker = editor_en.getInlineSpellChecker(true);

  onSpellCheck(elem_en, function () {
    var spellchecker = inlineSpellChecker.spellChecker;
    try {
      currentDictonary = spellchecker.GetCurrentDictionary();
    } catch(e) {}

    // Check that the English dictionary is loaded and that the spell check has worked.
    is(currentDictonary, "en-US", "expected en-US");
    is(getMisspelledWords(editor_en), "Nogoodword", "one misspelled word expected: Nogoodword");

    // So far all was boring. The important thing is whether the spell check result
    // in the de-DE editor is still the same. After losing focus, no spell check
    // updates should take place there.
    var sel = selcon_de.getSelection(selcon_de.SELECTION_SPELLCHECK);
    is(sel.toString(), "German", "one misspelled word expected: German");

    // Remove the fake de_DE dictionary again.
    script.sendSyncMessage("destroy");

    // Focus again, so the spelling gets updated, but before we need to kill the focus handler.
    elem_de.onfocus = null;
    elem_de.blur();
    elem_de.focus();

    // After removal, the de_DE editor should refresh the spelling with en-US.
    onSpellCheck(elem_de, function () {
      var sel = selcon_de.getSelection(selcon_de.SELECTION_SPELLCHECK);
      is(sel.toString(), "heute" + "ist" + "ein" + "guter",
         "some misspelled words expected: heute ist ein guter");

      // If we don't reset this, we cause massive leaks.
      selcon_de = null;
      editor_de = null;

      SimpleTest.finish();
    });
  });
}

</script>
</pre>
</body>
</html>
